Danny Rand grew up the heir to Rand Enterprises, and very wealthy. When one day when he was eleven years old him and his family were flying over the Himalayan mountains and there was a massive storm that crashed their plane, leaving Danny the only survivor. He would have died being stranded in the middle of the harsh mountains but he was found by monks and taken to their home- the Heaven of Kun-Lun. When he was taken there he began his training to become the next Iron Fist, protector of the heaven. Ten years later when the door to the heaven opens back up Danny leaves K’un Lun and forsakes his immortality to reunite with the rest of his family, but he is still sworn to protect K’un Lun with his life. While he is in New York with his family back in K’un Lun, Danny’s adoptive brother kills their father for making Danny the Iron Fist and is then exiled from the city. Now both in the mortal world Steel Serpent sets out to kill his brother as well.